#include<stdio.h>
int bubble_sort(int arr, int sz);
int main()
{
	int arr[] = {7,8,9,6,5,4,3,2,1};
	int i = 0;
	int sz = sizeof(arr) / sizeof(arr[0]);
	bubble_sort(arr,sz);
	for (i = 0; i < sz; i++)
	{
		printf("%d",arr[i]);
	}
	return 0;
}
